Displaying 20 results from an estimated 5000 matches similar to: "What is difference between render & redirect methods?"
2006 Mar 22
2
What is wrong in this method??????
Hi,
This is my definition of method "add_to_cart"
=======================
def add_to_cart
count=params[:product][:count]
while count.to_i>=0.to_i
if params[:product][''dem_quantity''+count.to_s]==""
else
@product =
Product.find(params[:product][''product_id''+count.to_s])
print @product.name
2006 Mar 21
13
Double and single quote usage in AWDWR
Hello everyone!
I''ve noticed, that the book uses double quotes almost everywhere. It is like
<%= javascript_include_tag "prototype" %>
I''ve checked the "programming ruby, 2ed" book and found that double
quotes are most suited when escape sequences and substitutions are
required. Isn''t it more semantically correct to write this code like
2006 Mar 22
10
Need for multiple acts_as_list
I have a model "Childmodel" that belongs_to two other models "Parent1"
and "Parent2". "Parent1" "has_many :childmodels, :order => :positionp1"
and "Parent2" "has_many :childmodels, :order => :positionp2". i.e. The
child is independently positioned within each of its parents.
This works fine and gets me the useful
2006 Mar 24
19
Storing images in Ruby
Hi,
I''d like to allow users to upload images and store those images in a
Postgres database. I''ve looked through the example in "aguile
development with rails" which suggests using the MySQL blob field.
When I wrote a similar app in Java, we Base64 encoded the file and then
stored it as a text field. Is this easy to do in RoR too? Any advice you
can give me would
2006 Jun 08
5
How to find particular pattern in string?
Hi,
In my application I want to find out the occurance of substring
"http:\\" in the main string "http:\\www.abc.com"
Here how to find out whether substring "http:\\" is present in my
String?
& if substring "http:\\" is present then I want to delete it from main
string.
How to do this?
PLs help me.
Thanx in advance.
Prash
--
Posted via
2006 Feb 22
9
acts_as_habtm_list plugin
I''d like to announce acts_as_habtm_list plugin for rails.
acts_as_habtm_list is a Ruby on Rails plugin, that can manage ordered
lists through a join-table. It is providing almost the same Api as
acts_as_list. The position column has to be defined in the join table.
You can find additional information at:
http://www.inlet-media.de/acts_as_habtm_list/
Install it executing this command
2006 Mar 17
3
How to check for presence of particular value entered ?
Hi,
I am entering value in textbox ("name") on form. Now name field in
database is having ''unique'' constraint on it so that no 2 records with
same name allowed in database. Now when I m trying to enter same name
into database from my form I m getting following error.
================================
Mysql::Error: #23000Duplicate entry ''Prashant''
2006 Jan 16
3
routing to controller inside module
Hey,
am i to stupid to find the information about how to route to a
controller in a module? Maybe module support has gone!
The controller is under:
app/controllers/admin/my_controller.rb
The my_controller.rb file looks like this:
module Admin
class MyController
def index
render :text => ''Hello!''
end
end
end
How does a route to all controllers under module
2006 Apr 05
3
how to insert Current DateTime value into database?
Hi,
I want to insert onto database the Current DateTime Value into database
field "Store_date" with datatype (DATETIME). How to do tihs?
I am usiing hidden variable into my form as follows:-
=======================
<%= hidden_field("store", "store_date", :value =>:datetime ) %>
=======================
But when I m submmittng form I couldn''t find
2006 Mar 15
4
help with DRY violation
I''m trying to be a good rails developer and fix DRY violations as i find
them. However, i''m trying to fix this one, i cant seem to get it to work.
I have two tables A and B that have a one-to-one relationship. Table B
belongs_to Table A. Table A has_one Table B. I''m creating instances of
Table A in different places, depending on the controller. However, for each
2006 Mar 20
24
Newbie Question about Custom Classes
Sorry if this is a complete newbish question, but I''m trying to wrap
my head around creating custom classes in my rails webapp. I''m
normally a Java developer, but I figured I''d give RoR a try and see
how I like it, and whether it would be useful for production use with
a new client.
Anyways, what are the best practices for custom classes? Where and/or
how do I create
2006 Mar 04
4
Submitting data to two different tables with two different models
I''m very new to Rails. I''ve been reading Agile Web Dev for a while and read
up on ruby, but I''m still learning.
I designed a website for someone for an engineering shop. New projects had
to be added manually.
Well, I figured this would be a great canidate for railifying! I have the
form working perfectly, you can add your data and get it in a table, and
listing
2006 Mar 13
3
validates_associated problem
Hello,
I have a situation where an ''employee'' belongs to a ''department'' and
have setup the relationship as follows.
class Employee < ActiveRecord::Base
belongs_to :department, :foregin_key => "department_id"
validates_associated :department_id
end
class Department < ActiveRecord::Base
has_many :employees
def validate_on_update
2006 Mar 14
3
Can anybody tell me step by step how validate data on form?
Hi,
I am new to ROR. I have created a form with foru fields in ROR. Now its
working fine for all CRUD operations. But I want to validate data on
form for "validates_presence_of" validation. How to do this?
I tried it by putting line "validates_presence_of :description" . But
its not working. Its throws error like "undefined method `each'' for
2006 Mar 22
1
How to retrieve attribute values of objects?????
Hi,
I am writing following line in my code:-
=================
@product1=Product.find(:all, :conditions => ["id = ? ",
params[:product][''product_id''+count.to_s]])
print @product1.inspect
===========================
So I am getting on console following output.
==========================
[#<Product:0x3cd61c8 @attributes={"demand"=>nil,
2006 Mar 14
8
email address parse
hi all
how to parse such email string to a array:
#--------------------------------------------
"joe black"<joe_1@joe_black.com> joe_2@joe_black.com,
joe_3@joe_black.com
#--------------------------------------------
seems emails from user input include various format. and i have to
split them to a array.
any idea?
regards.
--
Posted via http://www.ruby-forum.com/.
2006 Jun 06
4
pls help me regarding Maths round up function.....
Hi,
I have some values on my webpage displaying like
1.22333333333
2.33333344444
2.33377777777
etc.
Here I want to display values upto 2 decimal places correct.
i.e, 1.22333333333 should be dislayed as 1.22
2.33333344444 should be dislayed as 2.33
2.33777777777 should be dislayed as 2.34
& so on....
How to do this in ruby?????
Is there any function???
Thanx in advance.
Prash
--
2006 May 08
4
How to disable textbox in Ruby?
Hi,
I want to disable textbox in my page so that user can not modify its
contents. How can we do that in ruby?
Thanx,
Prash
--
Posted via http://www.ruby-forum.com/.
2006 Mar 08
3
List and update values from text_field_tag fields
Hi,
I populate a couple of text_field_tag''s with data from an AciveRecord
object. Some fields are editable and at the end of the page there''s a
submit button. I want the new values to be updated in the DB but by
default my original values are stored again.
How do i go about doing this?
thanks/jens
AIM: jens.tinfors@mac.com
Skype: jtinfors
2006 Apr 13
2
Rail''s basic idea
Hallo,
what links would you recommend for an advanced programmer, who wants to
know something about the basic idea and architecture of Rails.
That''s no question for tutorials or howtos, but rather for theoretical
documents and field reports.
Can you help me?
--
Norman Timmler
http://blog.inlet-media.de